hello Charlotte mine has done the same, I have checked the internal battery on the control box and that is ok, my guess is there must be a battery in the box with the siren, I am going up later to check it,
sorry I cant be more help at present
phil handers
December 2008
hi charlotte, it can be sorted easy, give me a ring and I will tell you how to sort it.
joe, alarm installer, skegness, 07525922917
December 2008
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